Patents-Review.com
ClassID:

219568 ⎘

H03F2200/234 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the input amplifying stage being one or more operational amplifiers

Recent Application in this class:
#1
20230420968
2023-12-28

CONTROLLED TRANSITION TO REGULATION

 #2
20220249006
2022-08-11

Systems and methods for performing electrophysiology (EP) signal processing

 #3
20220240829
2022-08-04

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

 #4
20220110574
2022-04-14

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

 #5
20220077831
2022-03-10

Operational amplifier

 #6
20220021360
2022-01-20

Trans-impedance amplifier, chip, and communications device

 #7
20210336445
2021-10-28

Controlled transition to regulation

 #8
20210313933
2021-10-07

Devices and methods for offset cancellation

 #9
20210285793
2021-09-16

Motor control systems for multiple motor drives

 #10
20210203291
2021-07-01

Current integrator for OLED panel

 #11
20210112014
2021-04-15

Apparatus for processing biomedical signals for display

 #12
20210044533
2021-02-11

Systems and methods for performing electrophysiology (EP) signal processing

 #13
20210029053
2021-01-28

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

 #14
20200267089
2020-08-20

Apparatus for processing biomedical signals for display

 #15
20200220509
2020-07-09

Trans-impedance amplifier, chip, and communications device

 #16
20200212861
2020-07-02

Programmable gain amplifier systems and methods

 #17
20200127931
2020-04-23

Apparatus and methods for removing a large- signal voltage offset from a biomedical signal

 #18
20200083847
2020-03-12

SYSTEM AND METHOD FOR BIASING AN AMPLIFIER

 #19
20200067461
2020-02-27

Audible noise reduction in an audio power amplifier

 #20
20200054287
2020-02-20

Systems and methods for signal acquisition and visualization

 #21
20200022591
2020-01-23

Systems and methods for performing electrophysiology (EP) signal processing

 #22
20200015687
2020-01-16

Systems and methods for performing electrophysiology (EP) signal processing

 #23
20190365250
2019-12-05

Systems and methods to display cardiac signals based on a signal pattern

 #24
20190349310
2019-11-14

Systems and methods to visually align signals using delay

 #25
20190348975
2019-11-14

Apparatus and methods for removing a large-signal voltage offset from a biomedical signal

 #26
20190343414
2019-11-14

Systems, apparatus, and methods for conveying biomedical signals between a patient and monitoring and treatment devices

 #27
20190339730
2019-11-07

Power-cycling voltage reference

 #28
20190158032
2019-05-23

Amplifier and electronic circuit

 #29
20180316323
2018-11-01

Amplifier

 #30
20180267092
2018-09-20

Semiconductor device and electronic control system including the same

 #31
20180241364
2018-08-23

Trans-impedance amplifier, chip, and communications device

 #32
20180241357
2018-08-23

Photoelectric conversion device

 #33
20180172523
2018-06-21

VOLTAGE DETECTING DEVICE, TEMPERATURE DETECTING DEVICE HAVING THE SAME, VOLTAGE DETECTING METHOD, AND TEMPERATURE DETECTING METHOD HAVING THE SAME

 #34
20170346456
2017-11-30

Active RC filters

 #35
20170205458
2017-07-20

Semiconductor device and electronic control system including the same

 #36
20170141748
2017-05-18

Amplifier system, controller of main amplifier and associated control method

 #37
20170063315
2017-03-02

Amplifier with feedback circuit

 #38
20170003699
2017-01-05

Feedback type voltage regulator

 #39
20160112018
2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

 #40
20160099694
2016-04-07

Wide range transimpedance amplifier

 #41
20150326193
2015-11-12

Amplifier input stage and amplifier

 #42
20150280664
2015-10-01

Operational amplifier circuit and method for enhancing driving capacity thereof

 #43
20150270805
2015-09-24

Apparatus and methods for autozero amplifiers

 #44
20150229273
2015-08-13

Output buffer circuit, array substrate and display device

 #45
20150214897
2015-07-30

Family of slew-enhanced operational transconductance amplifiers

 #46
20150207497
2015-07-23

Low-offset bandgap circuit and offset-cancelling circuit therein

 #47
20150207477
2015-07-23

Chopper-stabilized amplifier and method therefor

 #48
20150200634
2015-07-16

Device for balancing the rise and fall slew-rates of an operational amplifier

 #49
20150171811
2015-06-18

Current controlling device and signal converting apparatus applying the current controlling device

 #50
20140225670
2014-08-14

Method and apparatus for correcting asymmetry of an input signal of an amplifier

 #51
20120126889
2012-05-24

Low distortion variable gain amplifier (VGA)

 #52
16729495
2020-10-13

Current integrator and related signal processing system

 #53
16599600
2020-12-22

Amplifier circuitry